CN204448169U - Roller-plate coal mill - Google Patents
Roller-plate coal mill Download PDFInfo
- Publication number
- CN204448169U CN204448169U CN201420804797.6U CN201420804797U CN204448169U CN 204448169 U CN204448169 U CN 204448169U CN 201420804797 U CN201420804797 U CN 201420804797U CN 204448169 U CN204448169 U CN 204448169U
- Authority
- CN
- China
- Prior art keywords
- mill
- roller
- plate
- fanning strip
- coal mill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model provides a kind of roller-plate coal mill, and comprise mill, lining board for grinding discs, basic blocks and mould roller and rout up device, wherein, basic blocks is made up of rigid material; Mill is made up of high chromium alloy material, the latticed ceramic performs with ceramic powders sintering is provided with near the position of its upper surface in mill, the surface of ceramic performs is coated with layer of metal nickel dam, ceramic performs is poured in mill after being melted by high-chromium alloy, thus becomes integral structure with millstones shape; Lining board for grinding discs covers on the top surface of mill, and is put together by the fanning strip that at least three shapes are identical with size, and the minimum angles of the angle formed between two sides of each fanning strip is 90 °.The utility model has lightweight, the advantage of easy access and maintenance; It is good that the mill selected has anti-wear performance, the advantage of difficult drop-off, long service life; The lining board for grinding discs selected can be avoided jumping out, and ensures that coal pulverizer can long time continuous working.
Description
Technical field
The utility model relates to a kind of coal pulverizer, especially a kind of roller-plate coal mill.
Background technology
The basis of existing roller-plate coal mill is all use elastomeric material to make, and its basic blocks weight is large, and capital expenditure is large, and existing disc roll pulverizer is very inconvenient in the maintenance of day norm roller, and the repair time is long, and labour intensity is large.
In addition, the mill used in roller-plate coal mill generally adopts high-chromium alloy cast to form, because higher extruding force is born on surface in work, shearing force, General Life 8000-12000 hour, the disc surface after wearing and tearing forms groove and waveform pit, need to repair or change, service life is short.
In addition, the existing lining board for grinding discs covered on mill is generally be put together by the eight block-shaped fanning strips identical with size, and wherein, the angle between two sides of each fanning strip is 45 °.In actual use, adjacent fanning strip joint easily comes off (jumping out also known as liner plate), causes coal pulverizer cisco unity malfunction.
Summary of the invention
For the weak point existed in the problems referred to above, the utility model provides a kind of lightweight, easy access and maintenance, it is good that mill has anti-wear performance, difficult drop-off, long service life excellent, lining board for grinding discs can be avoided jumping out, and ensures that coal pulverizer can the roller-plate coal mill of long time continuous working.
For achieving the above object, the utility model provides a kind of roller-plate coal mill, be made up of motor (1), reductor (2), mill (3), lining board for grinding discs (21), grinding roller (4), pressue device (5), shell (6), separator (7), coal spout (8), outlet (9), hot wind inlet pipe (10), annular hot-blast room (11) and basic blocks (12), in roller-plate coal mill, also comprise mould roller rout up device (13), described basic blocks (12) is rigid material;
Described mill (3) is made up of high chromium alloy material, the ceramic performs (31) with ceramic powders sintering is provided with near the position of its upper surface in described mill (3), described ceramic performs (31) is in latticed, the surface of described ceramic performs (31) is coated with layer of metal nickel dam (32), be poured into after described ceramic performs (31) is melted by high-chromium alloy in described mill (3), thus form as one formula structure with described mill (3);
Described lining board for grinding discs (21) covers on the top surface of described mill (3), and the fanning strip (211) identical with size by least three shapes is put together, and the minimum angles of the angle formed between two sides of each described fanning strip (211) is 90 °.
Above-mentioned roller-plate coal mill, wherein, the thickness of described ceramic performs (31) is 10-40mm.
Above-mentioned roller-plate coal mill, wherein, the thickness of described metal nickel dam (32) is 10-200um.
Above-mentioned roller-plate coal mill, wherein, the quantity of described fanning strip (211) is three, and the angle formed between two sides of each described fanning strip (211) is 120 °.
Above-mentioned roller-plate coal mill, wherein, the quantity of described fanning strip (211) is four, and the angle formed between two sides of each described fanning strip (211) is 90 °.
Above-mentioned roller-plate coal mill, wherein, be mounted with the warm-air pipe (14) that hot wind inlet pipe (10) and described annular hot-blast room (11) are drawn between the top of described mill (3) and each grinding roller, be provided with to blow in the top of described warm-air pipe (14) and raise device (15).
Above-mentioned roller-plate coal mill, wherein, the bottom of described separator (7) and described coal spout (8) is equiped with and sends out by returning powder the separator again that plate (16), triangle spiral board (17), zigzag annular plate (18) and annular plate (149) form.
Above-mentioned roller-plate coal mill, wherein, the upper annulus between described shell (6) and described separator (7) is equiped with axial adjustment baffle plate (20).
Compared with prior art, the utility model has the following advantages:
1, basic blocks of the present utility model is lightweight, rigid foundation elasticity of substitution basis, and decrease capital expenditure, mould roller routs up device, and use and maintenance workload reduces greatly, and maintenance intensity is little, and the repair time is short;
2, it is simple that the mill selected by the utility model has structure, low cost of manufacture, and wearability is good, long service life, not easily occurs the advantage come off;
3, the lining board for grinding discs selected of the utility model, relative to the angle between two sides that existing lining board for grinding discs increases each fanning strip, the quantity of fanning strip is kept to four pieces or three pieces, between two sides actually increasing each fanning strip drift angle place and mill contact surface and reduce split between each fanning strip and stitch quantity, thus improve the bonding strength of mill and liner plate.So it can avoid jumping out, ensure the long continuous operation of coal pulverizer.Its reliable operation, additional structure is simple, fringe cost is low, is easy to promote, and particularly can transform the mill of existing coal pulverizer easily.It help system can improve stream time, reduces operating cost, for enterprise brings higher economic benefit.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of mill in Fig. 1,
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the sectional view of ceramic performs in the utility model;
Fig. 5 is that first of lining board for grinding discs in the utility model implements schematic diagram;
Fig. 6 is that second of lining board for grinding discs in the utility model implements schematic diagram.
Main Reference Numerals is described as follows:
1-motor 2-reductor 3-mill
4-grinding roller 5-pressue device 6-shell
7-separator 8-coal spout 9-outlet
10-hot wind inlet pipe 11-annular hot-blast room 12-basic blocks
13-mould roller is routed up device 14-warm-air pipe 15-and is blown and raise device
16-returns powder and sends out plate 17-triangle spiral board 18-saw tool formboard
19-annular plate 20-axial adjustment broadcasts plate 21-lining board for grinding discs
The fan-shaped shape of 31-ceramics preparative plate 32-metal nickel plate 211-
Detailed description of the invention
As shown in Figure 1, this disc roll pulverizer is made up of motor 1, reductor 2, mill 3, grinding roller 4, pressue device 5, shell 6, separator 7, coal spout 8, outlet 9, hot wind inlet pipe 10, annular hot-blast room 11 and basic blocks 12, medium-speed pulverizer also comprises mould roller and routs up device 13, and basic blocks 12 is rigid material.Be mounted with the warm-air pipe 14 of hot wind inlet pipe 13 and the extraction of annular hot-blast room between the top of mill 3 and each grinding roller 4, the top of warm-air pipe 13 is provided with to blow raises device 15.The bottom of separator 7 and coal spout 8 is equiped with back the separator again that powder sends out plate 16, triangle spiral board 17, zigzag annular plate 18 and annular plate 19 composition.Upper annulus between shell 6 and separator 7 is equiped with axial adjustment baffle plate 20.
As shown in Figures 2 to 4, mill 3 is made up of high chromium alloy material, in described mill 3, be provided with the ceramic performs 31 with ceramic powders sintering near the position of its upper surface
Ceramic performs 31 is by latticed by being pressed into after ceramic powders, bonding agent, plasticizer mixing, and then drying, sintering obtain, and the thickness of ceramic performs 31 is 10-40mm.This ceramic performs 31 is a complete sintered body, and shock resistance is better than ceramic particle, in mill 3, be provided with this ceramic performs 31 sintered with ceramic powders near the position of upper surface.Be coated with layer of metal nickel dam 32 on the surface of ceramic performs 31, the thickness of metal nickel dam 32 is 10-200um.Namely as shown in Figure 2, a groove is opened at the upper surface of mill 3, latticed ceramic performs 31 is placed in this groove, the size of this groove is identical with the size of ceramic performs 31, in order to increase constant intensity, can be first in a groove fastening by ceramic performs 31 with screw, be poured into after then being melted by high-chromium alloy in mill 3, thus ceramic performs 31 and mill 3 are formed as one formula structure
As shown in Figure 5, this lining board for grinding discs 21 covers mill on top surface, and is put together by the fanning strip 211 that three shapes are identical with size.Wherein, the angle between two sides of each fanning strip is 120 °.
As shown in Figure 6, this lining board for grinding discs 21 covers mill on top surface, and is put together by the fanning strip 211 that four shapes are identical with size.Wherein, the angle between two sides of each fanning strip is 90 °.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall in protection domain of the present utility model.
Claims (8)
1. a roller-plate coal mill, be made up of motor (1), reductor (2), mill (3), lining board for grinding discs (21), grinding roller (4), pressue device (5), shell (6), separator (7), coal spout (8), outlet (9), hot wind inlet pipe (10), annular hot-blast room (11) and basic blocks (12), it is characterized in that, in roller-plate coal mill, also comprise mould roller rout up device (13), described basic blocks (12) is rigid material;
Described mill (3) is made up of high chromium alloy material, the ceramic performs (31) with ceramic powders sintering is provided with near the position of its upper surface in described mill (3), described ceramic performs (31) is in latticed, the surface of described ceramic performs (31) is coated with layer of metal nickel dam (32), be poured into after described ceramic performs (31) is melted by high-chromium alloy in described mill (3), thus form as one formula structure with described mill (3);
Described lining board for grinding discs (21) covers on the top surface of described mill (3), and the fanning strip (211) identical with size by least three shapes is put together, and the minimum angles of the angle formed between two sides of each described fanning strip (211) is 90 °.
2. roller-plate coal mill according to claim 1, it is characterized in that, the thickness of described ceramic performs (31) is 10-40mm.
3. roller-plate coal mill according to claim 2, it is characterized in that, the thickness of described metal nickel dam (32) is 10-200um.
4. roller-plate coal mill according to claim 1, it is characterized in that, the quantity of described fanning strip (211) is three, and the angle formed between two sides of each described fanning strip (211) is 120 °.
5. roller-plate coal mill according to claim 4, it is characterized in that, the quantity of described fanning strip (211) is four, and the angle formed between two sides of each described fanning strip (211) is 90 °.
6. roller-plate coal mill according to claim 1, it is characterized in that, be mounted with the warm-air pipe (14) that hot wind inlet pipe (10) and described annular hot-blast room (11) are drawn between the top of described mill (3) and each grinding roller, be provided with to blow in the top of described warm-air pipe (14) and raise device (15).
7. roller-plate coal mill according to claim 6, it is characterized in that, the bottom of described separator (7) and described coal spout (8) is equiped with sends out by returning powder the separator again that plate (16), triangle spiral board (17), zigzag annular plate (18) and annular plate (149) form.
8. roller-plate coal mill according to claim 7, it is characterized in that, the upper annulus between described shell (6) and described separator (7) is equiped with axial adjustment baffle plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804797.6U CN204448169U (en) | 2014-12-16 | 2014-12-16 | Roller-plate coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804797.6U CN204448169U (en) | 2014-12-16 | 2014-12-16 | Roller-plate coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204448169U true CN204448169U (en) | 2015-07-08 |
Family
ID=53655117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420804797.6U Expired - Fee Related CN204448169U (en) | 2014-12-16 | 2014-12-16 | Roller-plate coal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204448169U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998726A (en) * | 2015-08-18 | 2015-10-28 | 芜湖奕辰模具科技有限公司 | Coal mill for boiler |
| CN105833946A (en) * | 2016-04-27 | 2016-08-10 | 江苏方天电力技术有限公司 | Medium-speed coal mill with novel grinding bowl structure |
| CN106475661A (en) * | 2016-11-08 | 2017-03-08 | 甘肃酒钢集团西部重工股份有限公司 | A kind of bead-welding technology of wear-resisting millstone sheet |
| CN109174324A (en) * | 2018-09-18 | 2019-01-11 | 山东斯兰德环保科技有限公司 | A kind of environmental protection type agricultural material Anti-blockage grinding device |
| CN109174319A (en) * | 2018-09-04 | 2019-01-11 | 北京慧峰仁和科技股份有限公司 | A kind of high-effect medium-speed pulverizer and method |
| CN117414924A (en) * | 2023-10-23 | 2024-01-19 | 浙江喜泽荣制漆有限公司 | Sanding device for paint manufacturing and sanding process thereof |
-
2014
- 2014-12-16 CN CN201420804797.6U patent/CN204448169U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998726A (en) * | 2015-08-18 | 2015-10-28 | 芜湖奕辰模具科技有限公司 | Coal mill for boiler |
| CN105833946A (en) * | 2016-04-27 | 2016-08-10 | 江苏方天电力技术有限公司 | Medium-speed coal mill with novel grinding bowl structure |
| CN106475661A (en) * | 2016-11-08 | 2017-03-08 | 甘肃酒钢集团西部重工股份有限公司 | A kind of bead-welding technology of wear-resisting millstone sheet |
| CN106475661B (en) * | 2016-11-08 | 2019-02-19 | 甘肃酒钢集团西部重工股份有限公司 | A kind of bead-welding technology of wear-resisting millstone sheet |
| CN109174319A (en) * | 2018-09-04 | 2019-01-11 | 北京慧峰仁和科技股份有限公司 | A kind of high-effect medium-speed pulverizer and method |
| CN109174324A (en) * | 2018-09-18 | 2019-01-11 | 山东斯兰德环保科技有限公司 | A kind of environmental protection type agricultural material Anti-blockage grinding device |
| CN117414924A (en) * | 2023-10-23 | 2024-01-19 | 浙江喜泽荣制漆有限公司 | Sanding device for paint manufacturing and sanding process thereof |
| CN117414924B (en) * | 2023-10-23 | 2024-04-19 | 浙江喜泽荣制漆有限公司 | Sanding device for paint manufacturing and sanding process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204448169U (en) | Roller-plate coal mill | |
| CN203955294U (en) | The topology layout in a kind of novel vertical roller abrasive dust mill district | |
| CN202984100U (en) | Ceramic grading wheel | |
| CN207951557U (en) | A kind of Novel crushing plate | |
| CN202638515U (en) | Step lining plate for ball mill | |
| CN203916765U (en) | A kind of Vertical Mill | |
| CN202638511U (en) | Grinding head liner plate for ball mill | |
| CN207122701U (en) | A kind of high-temperature wearable expansion joint | |
| CN202606224U (en) | Discharging grid plate for ball milling machine | |
| CN203044123U (en) | Ultrasonic grinding disc device for grinding rubber particles | |
| CN205914225U (en) | Grid welt | |
| CN203245123U (en) | Right-handed blade separator | |
| CN202427497U (en) | Vertical powder mill for milling raw materials in ceramic industry | |
| CN203853119U (en) | Rotor disc of crusher | |
| CN204416285U (en) | A kind of pipeline configuration for anti-grind materials | |
| CN106076481A (en) | Vertical Mill striped formula abrasive roller | |
| CN203678451U (en) | Air inlet spiral casing of overhang roll pulverizer | |
| CN202387516U (en) | Pre-grinding vertical mill material scraping structure | |
| CN202988050U (en) | Chute applied for cement with additional clinker | |
| CN203853152U (en) | Material scraping device | |
| CN202606201U (en) | Lining plate of millstone for coal mill | |
| CN207254501U (en) | A kind of grinder blender | |
| CN203126042U (en) | Anti-abrasion and anti-impact compound lining plate in kaolinite rock dressing plant chute | |
| CN202778595U (en) | Super wear-resistant crusher | |
| CN202346782U (en) | Feeding helix of titanium white calcining rotary kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20201216 |